Chemoresistance in Lung Tumors and Smoking
Author Information
Author(s): M. Volm, B. Samsel, J. Mattern
Primary Institution: German Cancer Research Centre, Institute of Experimental Pathology
Hypothesis
Do lung tumors of smokers tend to be chemoresistant more frequently than tumors occurring in nonsmokers?
Conclusion
Lung tumors in smokers are more likely to be resistant to chemotherapy compared to those in nonsmokers.
Supporting Evidence
- 75% of lung tumors in smokers were resistant to chemotherapy.
- Only 25% of lung tumors in nonsmokers were resistant.
- 81% of tumors in smokers were resistant compared to 53% in nonsmokers.
Takeaway
Smokers' lung tumors are often tougher to treat than those of non-smokers.
Methodology
The study measured the resistance of human non-small cell lung carcinomas using an in vitro short-term test with doxorubicin.
Limitations
The study could not separate tumor cells from stromal cells within the tumor cell suspensions.
Participant Demographics
Patients included 142 males and 18 females, with a range of ages and smoking habits.
Statistical Information
P-Value
0.002
Statistical Significance
p=0.002
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